Problems from Northwestern Europe Programming Contest (NWERC) 2003

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Bridging Signals 500 234 47% 0.05 195 160 82% 4.1
Gladiators 50 27 54% 0.01 25 19 76% 5.7
Prison Rearrangement 34 11 32% 0.08 14 10 71% 5.9
Sightseeing Tour 29 9 31% 0.01 14 9 64% 8.3
Subway Tree System 774 327 42% 0.00 166 134 81% 4.5
Vase Collection 459 109 24% 0.00 98 66 67% 7.4
Who's the Boss? 182 64 35% 0.02 60 45 75% 6.6